Question

The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. what is the age of the youngest child?

• A. 4 years
• B. 8 years
• C. 10 years
• D. 11 years
• E. 16 years

Answer 1

The correct option is A

4 years

Let the ages of the children be x, (x+3), (x+6), (x+9) and (x+12) years

$\therefore$Then, x + (x+3) + (x+6)+(x+9)+(x+12)= 50 $\iff$5x = 20 $\iff$ x = 4

$\therefore$age of the youngest child = x =4 years.